Samsung Galaxy GT-I7500 Replacement Battery 3.7V 2000mAh Li-ion
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Samsung Galaxy GT-I7500 Replacement Battery 3.7V 2000mAh Li-ion - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Samsung Galaxy GT-I7500 Replacement Battery 3.7V 2000mAh Li-ion - is backordered and will ship as soon as it is back in stock.
Voltage
3.7V
Amp
2000mAh
Samsung GT-I7500 / GT-I7500H — 3.7V Li-ion Replacement Battery (AB653850CE)
This is a 3.7V, 2000mAh Li-ion replacement battery for the Samsung Galaxy GT-I7500 and GT-I7500H — Samsung's first Android handset. It fits the original battery bay and connects via the same three-contact interface. OEM part numbers AB653850CE, AB653850CU, and AB653850EZ all cross to this cell.
- GT-I7500 and GT-I7500H fit: Both variants use the same 3.7V cell with the same contact layout and BMS handshake. The H suffix denotes a regional hardware revision — the battery is mechanically and electrically identical across both.
- Bench tested on actual hardware: We cycled this cell through full discharge and charge on the GT-I7500 platform. The BMS accepted charge from the device's native charge IC without tripping overcurrent protection, and voltage held stable through the mid-cycle range.
- Fuel gauge recalibration on first use: After installing this cell, run one complete discharge down to automatic shutoff, then charge uninterrupted to 100%. The GT-I7500's fuel gauge IC was calibrated to the original cell's discharge curve — one full cycle resets it against the new cell before you rely on the percentage reading.
Sudden shutdown at 20–30% on the GT-I7500
The GT-I7500's ageing fuel gauge IC holds a discharge curve from the original 2008 cell. A new cell with different internal impedance hits a voltage cliff at a different state of charge than the IC expects. When the GSM radio or screen draws a short current spike, the cell voltage drops below the BMS cutoff threshold before the percentage display reaches zero. One full discharge-to-shutoff cycle followed by an uninterrupted charge teaches the coulomb counter where the real floor is. After that cycle, the shutoffs at false percentages stop.
Percentage reading jumps or reads 0% immediately after installation
The GT-I7500 stores the previous cell's learned capacity data in the fuel gauge IC — it does not automatically reset when a new battery is installed. If the phone displays 0%, jumps from 15% to 60%, or drains the percentage bar faster than the charge level actually warrants, the IC is comparing the new cell against stale reference data. Power the phone off, leave the new battery installed for 10 minutes, then power on and run a full discharge cycle to shutoff before recharging. Recheck the percentage behaviour after that single cycle — it should stabilise at 3.7V nominal.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Samsung
- Manufacturer: CS
- Series: Extension
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The GT-I7500 won't power on at all after the replacement battery sat in a drawer for months — is the cell dead?
Probably not dead, but the BMS has locked out below 2.5V per cell after deep discharge in storage. Connect the phone to its original charger and leave it untouched for 20–30 minutes — the charge IC trickle-charges the cell at low current until the BMS releases the lockout and allows normal charging to resume. If the charge indicator light comes on at any point during that window, the cell is recovering. Once it reaches 3.5V, normal charge behaviour resumes.
The phone gets noticeably warm near the battery compartment during the first few charges — is something wrong?
A new high-impedance cell generates more heat during the initial charge cycles than a broken-in one. The GT-I7500's charge IC pushes constant current into the cell, and a fresh cell's internal resistance converts more of that current to heat until the cell is conditioned. Warmth at the back cover during charging is normal for the first two to three cycles. If the phone becomes hot to the touch or shuts down mid-charge, check that the contacts are clean and seated flat against the battery terminals.
The GT-I7500 shows full charge on screen but drops to low battery warning within minutes of unplugging — what's happening?
This is a fuel gauge IC calibration gap, not a faulty cell. The IC's stored charge model still references the old degraded cell and marks "full" at a voltage point that represents a much lower actual capacity on the new cell. Run the phone from a full charge down to automatic shutoff without interruption — no top-up charges mid-cycle. Recharge to 100% in a single session. The coulomb counter resets its endpoints against the new cell's actual charge curve, and the full-to-empty reading will track correctly from that point.
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